Home / 11,743.44-17,612.24-3,421.68

Finding the Fourth Proportional to 11,743.44, 17,612.24 and 3,421.68

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Solution

The fourth proportional to 11,743.44, 17,612.24 and 3,421.68 is: 5,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,743.44 : 17,612.24 = 3,421.68 : x
  2. Step 2: Convert to fraction form
    11,743.44/17,612.24 = 3,421.68/x
  3. Step 3: Cross multiply
    11,743.44x = 17,612.24 × 3,421.68
  4. Step 4: Simplify right side
    11,743.44x = 60,263,449.36
  5. Step 5: Solve for x
    x = 60,263,449.36/11,743.44
  6. Step 6: Final answer
    x = 5,131.67

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.